Variables, Symbols And Units. Flashcards
What is the symbol and SI unit for Distance?
d, metres (m)
What is the symbol and SI unit for time?
t, seconds (s)
What is the symbol and SI unit for velocity?
v, metres per second (ms^-1).
What is the symbol and SI unit for initial velocity?
vi, metres per second (ms^-1)
What is the symbol and SI unit for final velocity?
vf, metres per second (ms^-1)
What is the symbol and SI unit for acceleration?
a, metres per second per second (ms^-2)
What is the symbol and SI unit for mass?
m, kilograms (kg)
What is the symbol and SI unit for force?
F, newtons (N)
What is the symbol and SI unit for momentum?
P, kilogram metres per second (kgms^-1)
What is the symbol and SI unit for impulse?
🔺p, kilogram metres per second (kgms^-1)
What is the symbol and SI unit for centripetal acceleration?
ac, metres per second per second (ms^-2)
What is the symbol and SI unit for centripetal force?
Fc, newtons (N)
What is the symbol and SI unit for torque?
T, newton metres(Nm)
What is the symbol and SI unit for work?
W, joules (J)
What is the symbol and SI unit for power?
P, watts (W)
What is the symbol and SI unit for kinetic energy?
Ek, joules (J)
What is the symbol and SI unit for potential energy?
Ep, joules (J)
What is the symbol and SI unit for potential energy?
Ep, joules (J)
What is the symbol and SI unit for spring extension?
x, metres (m)
What is the symbol and SI unit for spring constant?
k, newtons per metre (Nm^-1)
What is the symbol for change?
🔺
Define centripetal force.
The force acting on an object in order for it to travel on a circular path at a constant speed.
Define work in terms of energy.
Work is a transfer or conversion of energy.
Name two forms of potential energy.
Gravitational, elastic, chemical, nuclear.
